Climate averages 1991–2020
Rayong weather
in July.
A hot, very wet month: the 9th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Rayong: daytime highs average 29.7°C and nights cool to about 25.9°C. By daytime temperature it is the 9th warmest of the 12 months.
Expect about 206 mm of rain on roughly 25 days, which makes July a very wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 48 min on an average July day.
The nearest other city in this atlas is Pattaya (49 km away). In July its highs average 30.3°C, 0.6°C warmer than Rayong, with 153 mm of rain.
Among the 46 cities listed in Thailand, Rayong ranks 42nd of 46 for the warmest July highs and 38th of 46 for the driest July (rainfall, lowest first). The mean July high of those 46 cities is 31.0°C; Rayong is 1.3°C cooler than that mean.
From July to August, average highs fall by 0.1°C to 29.6°C, and monthly rainfall falls from 206 mm to 196 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Rayong climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 30.4°C22.9°C | 22.9°C | 28 | 5.9 | 11.511 h |
| February | 30.7°C23.9°C | 23.9°C | 32 | 6.9 | 11.712 h |
| March | 31.0°C25.3°C | 25.3°C | 81 | 14.2 | 12.112 h |
| April | 31.4°C26.2°C | 26.2°C | 133 | 18.9 | 12.412 h |
| May | 30.7°C26.2°C | 26.2°C | 220 | 24.9 | 12.713 h |
| June | 30.0°C26.1°C | 26.1°C | 210 | 24.5 | 12.913 h |
| July, selected | 29.7°C25.9°C | 25.9°C | 206 | 24.9 | 12.813 h |
| August | 29.6°C25.7°C | 25.7°C | 196 | 24.9 | 12.513 h |
| September | 29.4°C25.1°C | 25.1°C | 300 | 26.4 | 12.212 h |
| October | 29.5°C24.4°C | 24.4°C | 256 | 23.2 | 11.912 h |
| November | 30.2°C24.0°C | 24.0°C | 59 | 8.5 | 11.612 h |
| December | 30.3°C23.0°C | 23.0°C | 17 | 3.3 | 11.411 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Pattaya in JulyThailand · 49 kmHigh 30.3°C · Low 26.3°C · 153 mm rain
- Laem Chabang in JulyThailand · 61 kmHigh 30.0°C · Low 26.3°C · 153 mm rain
- Si Racha in JulyThailand · 65 kmHigh 30.6°C · Low 26.2°C · 133 mm rain
- Chon Buri in JulyThailand · 81 kmHigh 31.0°C · Low 25.8°C · 133 mm rain
- Chanthaburi in JulyThailand · 92 kmHigh 28.8°C · Low 25.0°C · 369 mm rain
- Samut Prakan in JulyThailand · 125 kmHigh 31.1°C · Low 26.2°C · 107 mm rain
- Lat Krabang in JulyThailand · 127 kmHigh 31.5°C · Low 25.8°C · 154 mm rain
- Ban Khlong Prawet in JulyThailand · 131 kmHigh 31.5°C · Low 25.9°C · 154 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Rayong) is explained once on the Rayong year overview and on the Sources, method and limits page.